Introduction to Large Rubber Buffer Pads
I. Definition and Core Functions
Large rubber shock absorbers are vibration-dampening devices made primarily from high-elasticity rubbers (such as EPDM, polyurethane) and are specifically designed for high-load scenarios. They absorb shock energy through elastic deformation, isolate vibration transmission, and protect heavy machinery or building structures from mechanical shock damage. Their core features include:
High Load Capacity: Static load-bearing capacity of each piece exceeds 3,000 kg (e.g., models RB-H1, RB-H2).
Composite vibration damping mechanism: Combines elastic recovery and viscous damping to effectively reduce high-frequency vibrations and low-frequency impacts.
II. Material and Structural Characteristics
Material Selection:
EPDM rubber (Ethylene Propylene Diene Monomer): ozone-resistant, waterproof, and aging-resistant, suitable for outdoor bridges, rail transit, and other complex environments.
Polyurethane (PU): Outstanding wear resistance, wide hardness range (Shore A 50-95), suitable for high-stress industrial equipment.
Structural Optimization:
Multi-layered串联design: Enhances energy dispersion efficiency through rubber layer stacking, suitable for large machinery bases.
Non-standard shock absorber pads: Side slope design (e.g., star-shaped, octagonal) reduces stiffness and enhances low-frequency impact absorption.
III. Typical Application Scenarios
Industrial Machinery: Heavy-duty stamping machines, diesel generator sets, shock absorbers for mining equipment bases.
Bridge Construction: Serves as a cushioning layer for bridge supports, dissipating vehicle load impacts and reducing structural fatigue damage.
Railway Track: Install EPDM rubber pads under the railway tracks to reduce wear on the tracks caused by train vibration.
Loading and Unloading: Anti-collision pads on the loading dock protect the platform and truck from collision damage.
IV. Key Performance Advantages
High load-bearing and flexibility:
Static load-bearing capacity up to 2000-3000kg (such as models RB-S3, RB-H1), dynamic impact absorption efficiency over 70%.
Low modulus up to 1-5 MPa, capable of withstanding 30%-50% compressive deformation without failure.
Environmental Adaptability:
Temperature Range: -50℃ to 120℃ (EPDM material), oil and acid/alkali resistant.
Non-slip surface texture design for enhanced stability in wet conditions.
Longevity and Low Cost
Normal operating conditions result in a lifespan exceeding 10 years, with maintenance requiring only periodic cleaning of the surface dirt.
Unit cost is approximately 1/3 of that for metal shock absorbers, and no lubrication or maintenance is required.
